The Pueblo opens the Renaissance Series “B”-vent line with a 15,000 BTU single burner model featuring ceramic fiber split oak log set, with 4” venting. The step-up (P325) model jumps to 25,000 BTU with “U” tube dual burner and full glowing ember pan. This model features a premium multi-dimensional refractory gas log set and uses 5” venting. All Pueblos ship smooth faced and set up for natural gas, but are easily convertible to propane.